The Retainer,packing, cataloged under National Stock Number 5330-01-512-4265, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Doall Baltimore Company. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-512-4265 |
| Primary Part Number | CMI147521 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Doall Baltimore Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Peripheral Diameter | 1.712 INCHES MINIMUM AND 1.748 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.182 INCHES NOMINAL IN |
| Material | STEEL COMP 4150 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CMI147521 PRIMARY | Doall Baltimore Company (USA) |
| Reference | Meaning |
|---|---|
| 091-475210 | 5/9 Secondary reference Doall Baltimore Company |
NSN 5330-01-512-4265 is a Retainer,packing, manufactured by Doall Baltimore Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-512-4265 has 1 manufacturer part number on file: CMI147521 (Doall Baltimore Company).
Key specifications for CMI147521: Cross-Sectional Height: 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 1.712 INCHES MINIMUM AND 1.748 INCHES MAXIMUM IN; Center Hole Diameter: 1.182 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.